KR20130073339A - Height controllable ladder for step up and down - Google Patents

Height controllable ladder for step up and down Download PDF

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Publication number
KR20130073339A
KR20130073339A KR1020110141133A KR20110141133A KR20130073339A KR 20130073339 A KR20130073339 A KR 20130073339A KR 1020110141133 A KR1020110141133 A KR 1020110141133A KR 20110141133 A KR20110141133 A KR 20110141133A KR 20130073339 A KR20130073339 A KR 20130073339A
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KR
South Korea
Prior art keywords
unit
tube plate
front tube
ladder
plates
Prior art date
Application number
KR1020110141133A
Other languages
Korean (ko)
Inventor
이성한
조진국
Original Assignee
현대중공업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대중공업 주식회사 filed Critical 현대중공업 주식회사
Priority to KR1020110141133A priority Critical patent/KR20130073339A/en
Publication of KR20130073339A publication Critical patent/KR20130073339A/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/10—Steps or ladders specially adapted for scaffolds

Abstract

According to the present invention, the front tube plate unit having a first and a second front tube plate disposed side by side spaced apart; A rear tube plate unit having first and second rear tube plates spaced apart from each other rearward from the first and second front tube plates; A scaffolding unit having a plurality of scaffolds rotatably coupled to both sides of the first and second front tube plates and the respective sides of the first and second rear tube plates to be spaced apart in a vertical direction; And a support unit rotatably coupled to each lower end of the first and second front tube plates and the first and second rear tube plates to support the front tube plate unit and the rear tube plate unit. Height adjustment ladder is provided.
According to the height adjustment ladder for work platform lifting and lowering according to the present invention, the height of the ladder can be freely adjusted according to the height from the ground to the work surface when moving to the surface plate for work, and the worker is made of a relatively light aluminum material Can freely move its position, the height to the surface due to the inclination of the ground is different depending on the position can solve the conventional problem of using several ladders by height, and it is easy for the operator to handle the safety accident Reduce risk

Description

Height controllable ladder for step up and down}

The present invention relates to a ladder capable of height adjustment, can be coupled to the surface plate in order to allow the operator to move up and down on the work surface, the work surface for lifting the work surface to freely adjust the height corresponding to the height from the ground to the surface plate It relates to a height adjustment ladder.

In general, in an offshore production assembly line for building a ship or the like, an assembling work is performed on a work surface having a flat structure. Therefore, the worker must move up and down the work surface for assembly work, etc. In order to move up and down the work surface, the ladder is mounted on the work surface and the user moves up and down using the mounted ladder.

1 is a reference diagram showing a state in which a plurality of ladders for lifting and lowering are installed on the work surface.

As shown, since the ground (S) below the work surface (W) is inclined, the height from the ground (S) to the work surface (W) for each position is different. For this reason, it is a situation to make and use several ladders 1 for each height.

Thus, as the work space is provided with a large number of ladders 1, the work space becomes narrow, and the cost of manufacturing a large number of ladders 1 also increases. In addition, the weight of the ladder is too heavy for the worker to handle the ladder (1) exists until the risk of a safety accident.

The present invention was created in order to solve the problems as described above, to improve the workability by adjusting the height freely corresponding to the height from the ground to the surface plate, the work made of a light material so that the operator can easily handle In order to provide a height adjusting ladder for raising and lowering the plate, the object is to.

According to the present invention for achieving the above object, a front tube plate unit having a first and a second front tube plate disposed side by side spaced apart; A rear tube plate unit having first and second rear tube plates spaced apart from each other rearward from the first and second front tube plates; A scaffolding unit having a plurality of scaffolds rotatably coupled to both sides of the first and second front tube plates and the respective sides of the first and second rear tube plates to be spaced apart in a vertical direction; And a support unit rotatably coupled to each lower end of the first and second front tube plates and the first and second rear tube plates to support the front tube plate unit and the rear tube plate unit. Height adjustment ladder is provided.

The height adjustment ladder for lifting and lowering the work table may include a first reinforcement plate that is rotatably coupled to each side of the first front tube plate and the first rear tube plate, and the second front tube plate and the second rear tube plate. It may further include a reinforcing unit for reinforcing structural rigidity, including a second reinforcing plate to be rotatably coupled to each side.

In addition, the height adjustment ladder for lifting work platform may further include a handrail fixed to at least one of the first and second front tube plate.

The support unit may include a plurality of support plates pivotably coupled to lower ends of the first and second front tube plates and the first and second rear tube plates, and fixedly coupled to each of the support plates. It may include a rubber member for increasing the frictional force with.

In addition, the work platform lifting height adjustment ladder, rotatably coupled to each upper end of the first and second rear tube plate, coupled to be fixed to the rear side end of the scaffold disposed on the top, the work surface It may further include a coupling unit that can be fixedly coupled to.

In addition, the coupling unit, the first and the second and the first and second coupling tube rotatably coupled to each upper end of the first and second coupling spheres formed with one and the second end of the one end of the work table can be inserted 2 coupling portion, and the fixing means for fixing the state in which one side end of the work surface is inserted into the first and second coupling portion. Here, the fixing means, the nut is fixedly coupled to the lower portion of the first and second coupling portion, the screw and the nut, and through the lower portion of the first and second coupling portion to the first and second coupling sphere It can be an adjustable screw.

In addition, the front tube plate unit, the rear tube plate unit and the scaffolding unit is preferably made of aluminum (Aluminum) material.

According to the height adjustment ladder for work platform lifting and lowering according to the present invention, the height of the ladder can be freely adjusted according to the height from the ground to the work surface when moving to the surface plate for work, and the worker is made of a relatively light aluminum material Can freely move its position, the height to the surface due to the inclination of the ground is different depending on the position can solve the conventional problem of using several ladders by height, and it is easy for the operator to handle the safety accident Reduce risk

1 is a reference diagram showing a state in which a plurality of ladders for lifting and lowering are installed on the work surface;
Figure 2 is a perspective view showing a height adjustment ladder for lifting work platform according to an embodiment of the present invention,
Figure 3 is a front view of the height adjustment ladder for work platform shown in Figure 2,
Figure 4 is a plan view of the height adjustment ladder for lifting work platform shown in FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

Figure 2 is a perspective view showing a height adjustment ladder for lifting work platform according to an embodiment of the present invention, Figure 3 is a front view of the height adjustment ladder for lifting work platform shown in Figure 2, Figure 4 is a lifting platform for work platform shown in Figure 2 Top view of height adjustment ladder.

Referring to the drawings, the work table lifting height adjustment ladder 10 according to an embodiment of the present invention (hereinafter referred to as "height adjustment ladder") to allow the worker to climb up and down the work table (W; see FIG. 1) Coupling is installed on the work surface (W), it is a structure that can freely adjust the height corresponding to the height from the ground (S: Figure 1) to the work surface (W). To this end, the height adjustment ladder 10, the front tube plate unit 100, the rear tube plate unit 200, the scaffolding unit 300 and the support unit 400 includes.

The front tube plate unit 100 has first and second front tube plates 110 and 120 spaced side by side in the lateral direction. The front tube plate unit 100 is preferably made of light aluminum material. Meanwhile, at least one of the first and second front tube plates 110 and 120 may be fixedly installed with a handrail 600 that allows a worker to lift and lower by hand. When viewed from the upward direction, it is preferable to install the right front tube plate, that is, the first front tube plate 110.

The rear tube plate unit 200 is disposed side by side to the rear of the front tube plate unit 100 side by side, and the rear tube plate unit 200 is the first and second front tube plate 110 (120) First and second rear tubeplates 210 and 220 spaced apart from each other in parallel to the rear from the rear side, wherein the rear tubeplate unit 200 is also made of a lightweight aluminum material.

Both sides of the scaffolding unit 300 are rotatably coupled to each side of the first and second front tube plates 110 and 120 and the first and second rear tube plates 210 and 220. And a plurality of scaffolds 310. The plurality of scaffolds 310 are spaced apart in the vertical direction, and thus the worker may step on and off the work platform W. Since the 310 is rotatably coupled, even when the heights of the front tube plate unit 100 and the rear tube plate unit 200 are different, the scaffold 310 can always be kept horizontal. 300 is preferably made of a light aluminum (Aluminum) material.

The support unit 400 is rotatably coupled to the lower ends of the first and second front tube plates 110 and 120 and the first and second rear tube plates 210 and 220, respectively. It serves to support the unit 100 and the rear tube plate unit 200. For this purpose, the support unit 400 may include a plurality of support plates 410 and a rubber member 420. Here, the support plate 410 is rotatably coupled to each lower end of the first and second front tube plate 110 (120) and the first and second rear tube plate (210, 220). The rubber member 420 is fixedly coupled to each of the supporting plates 410 to increase friction with the bottom surface, thereby preventing slipping.

In the embodiment of the present invention, the height adjustment ladder 10 may further include a reinforcement unit 500 for structural reinforcement. The reinforcement unit 500 may include a first reinforcement plate 510 and a second reinforcement plate 520. The first reinforcement plate 510 is pivotally coupled to each side of the first front tube plate 110 and the first rear tube plate 210 to be structurally reinforced, and the second reinforcement plate 520 is The sides of the second front tube plate 120 and the second rear tube plate 220 are rotatably coupled to provide structural reinforcement.

In addition, the height adjustment ladder 10 of the present invention, it is preferable to include a coupling unit 700 that can be fixedly coupled to the work surface (W). The coupling unit 700 is rotatably coupled to each upper end of the first and second rear tube plates 210 and 220, and coupled to be fixed to the rear side end of the footrest 310 disposed at the top thereof. Here, the coupling unit 700 may include first and second coupling parts 710 and 720 and fixing means 730. The first and second coupling parts 710 and 720 are rotatably coupled to the upper ends of the first and second rear tube plates 210 and 220, and one end of the working plate is inserted into the inner side. First and second coupling holes 711 and 721 may be formed. In addition, the fixing means 730 fixes the state in which one side end of the working table is inserted into the first and second coupling parts 710 and 720. To this end, the fixing means 730, the nut 731 to be fixed to the lower portion of the first and second coupling portion 710, 720, respectively, screwed with the nut, the first and second It may be an adjusting screw 732 penetrating the lower portion of the coupling portion 710, 720 to advance to the first and second coupling spheres (711, 721).

As described above, according to the height-adjusting ladder 10 according to the present invention, the ladder 10 corresponding to the height from the ground (S) to the work surface (W) when moving to the work surface (W) for work. Since it can be used to adjust the height freely, the height up to the work surface (W) due to the inclination of the ground (S) can be solved according to the conventional problem of making several ladders for each height used.

In addition, the front tube plate unit 100, the rear tube plate unit 200 and the scaffolding unit 300 is made of a relatively light aluminum material, the operator can freely move the position, as well as easy handling of the operator Reduce the risk of safety accidents.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

10: height adjustment ladder 100: front tube play unit
110,120: first and second front tube plate
200: rear tube plate unit
210,220: First and second rear tube plate
300: scaffolding unit 310: scaffolding
400: support unit 410: support plate
420: rubber member 500: reinforcement unit
510,520: first and second reinforcing plates
600: handrail 700: coupling unit
710,720: first and second coupler 711,721: first and second coupler
730: fixing means 731: nut
732 adjustment screw S: ground
W: Work table

Claims (8)

A front tube plate unit having first and second front tube plates disposed laterally side by side;
A rear tube plate unit having first and second rear tube plates spaced apart from each other rearward from the first and second front tube plates;
A scaffolding unit having a plurality of scaffolds rotatably coupled to both sides of the first and second front tube plates and the respective sides of the first and second rear tube plates to be spaced apart in a vertical direction; And
Working platform including a support unit for supporting the front tube plate unit and the rear tube plate unit by rotatably coupled to the lower end of the first and second front tube plate and the first and second rear tube plate, respectively. Height adjustment ladder.
The method according to claim 1,
A first reinforcing plate rotatably coupled to each side of the first front tube plate and the first rear tube plate, and a second rotatably coupled to each side of the second front tube plate and the second rear tube plate. Height adjustment ladder for work platform further comprising a reinforcing unit for reinforcing structural rigidity including a reinforcing plate.
The method according to claim 1,
A height adjustment ladder for work table further comprising a handrail fixedly installed on at least one of the first and second front tube plates.
The method according to claim 1,
The support unit,
A plurality of support plates rotatably coupled to respective lower ends of the first and second front tube plates and the first and second rear tube plates;
A fixed height adjustment ladder for work table including a rubber member for fixedly coupled to each of the supporting plates to increase the friction with the bottom surface.
The method according to any one of claims 1 to 4,
A coupling unit rotatably coupled to each upper end of the first and second rear tube plates, coupled to be fixed to the rear side end of the foot disposed at the top, and fixedly coupled to the work table W, which is a working place. Height adjustment ladder for lifting work platform further comprising.
The method according to claim 5,
The coupling unit,
First and second coupling parts rotatably coupled to respective upper ends of the first and second rear tube plates, and having first and second coupling holes in which one end of the working table is inserted;
Ladder height adjustment ladder for work platform including a fixing means for fixing a state in which one side end of the work table is inserted into the first and second coupling portion.
The method of claim 6,
Wherein,
A nut fixed to the lower portion of the first and second coupling portions, respectively;
Ladder height adjustment ladder for the work table, characterized in that the screw is coupled to the nut, the adjustment screw which can penetrate the lower portion of the first and second coupling portion to advance to the first and second coupling port.
The method according to any one of claims 1 to 4,
The front tube plate unit, the rear tube plate unit and the scaffolding unit is a height adjustment ladder for work platform, characterized in that made of aluminum (Aluminum) material.
KR1020110141133A 2011-12-23 2011-12-23 Height controllable ladder for step up and down KR20130073339A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110141133A KR20130073339A (en) 2011-12-23 2011-12-23 Height controllable ladder for step up and down

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110141133A KR20130073339A (en) 2011-12-23 2011-12-23 Height controllable ladder for step up and down

Publications (1)

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KR20130073339A true KR20130073339A (en) 2013-07-03

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Application Number Title Priority Date Filing Date
KR1020110141133A KR20130073339A (en) 2011-12-23 2011-12-23 Height controllable ladder for step up and down

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107013013A (en) * 2017-05-27 2017-08-04 山东富士制御电梯有限公司 A kind of steel structure lift shaft standard knot hoisting fixture and technique
KR20220010203A (en) * 2020-07-17 2022-01-25 정경호 System scaffloding for stage installation
KR20230024126A (en) * 2021-08-11 2023-02-20 주식회사 세기엔지니어링 Ladder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107013013A (en) * 2017-05-27 2017-08-04 山东富士制御电梯有限公司 A kind of steel structure lift shaft standard knot hoisting fixture and technique
CN107013013B (en) * 2017-05-27 2023-08-11 山东富士制御电梯有限公司 Steel structure elevator shaft standard knot hoisting tool and process
KR20220010203A (en) * 2020-07-17 2022-01-25 정경호 System scaffloding for stage installation
KR20230024126A (en) * 2021-08-11 2023-02-20 주식회사 세기엔지니어링 Ladder

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